From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ivan T. Ivanov" Subject: [PATCH 0/2] spi: Add Qualcomm QUP SPI controller support Date: Thu, 6 Feb 2014 18:57:46 +0200 Message-ID: <1391705868-20091-1-git-send-email-iivanov@mm-sol.com> Return-path: Sender: linux-arm-msm-owner@vger.kernel.org To: Mark Brown , Grant Likely , Rob Herring Cc: "Ivan T. Ivanov" , linux-spi@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: "Ivan T. Ivanov" Hi, Following two patches are adding initial support for SPI controller available in Qualcomm SoC's. Controller initialization is based on spi_qsd driver available in CAF repository. Controller supports SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP modes, up to 3 CS's and from 4 to 32 bits per word. SPI_LOOP mode is limited to input FIFO buffer size. Currently driver support only PIO mode, I am hopping to add also DMA mode support with dmaengine patches developed by Andy. Regards, Ivan Ivan T. Ivanov (2): spi: qup: Add device tree bindings information spi: Add Qualcomm QUP SPI controller support .../devicetree/bindings/spi/qcom,spi-qup.txt | 86 ++ drivers/spi/Kconfig | 14 + drivers/spi/Makefile | 1 + drivers/spi/spi-qup.c | 898 ++++++++++++++++++++ 4 files changed, 999 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qup.txt create mode 100644 drivers/spi/spi-qup.c -- 1.7.9.5